@charset "utf-8";

/* 去除外边距 */
body,h1,h2,h3,h4,h5,h6,p,ul,dl,dl,li,dt,dd{margin: 0;padding: 0;}

/* 去除列表样式 */
ul,ol{
    list-style: none;
}

/* 去除a标签下划线 */
a{
    text-decoration: none;
}

/* 去除图片底部三像素 */
img{
    vertical-align: bottom;
}

/* 清除浮动 */
.cf::after{
    content: "";
    display: block;
    clear: both;
}

/* 设置版心 */
.container{
    width: 1200px;
    margin: 0 auto;
}

body{
    color: #333;
}


/* 一、头部 */
.header{
    width: 100%;
    padding: 0 30px;
    box-sizing: border-box;
    line-height: 60px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
}
.header>img{
    float: left;
    margin-top: 20px;
}
.header>a{
    float: right; 
    margin: 15px 15px;
    color: #fff;
    line-height: 30px;
    padding: 0 20px;
    border: 1px solid #ddd;
    /* box-sizing: border-box; */
    border-radius: 17px;
}
.header span a{
    color: #fff;
    display: inline-block;
    margin: 0 20px;  
}
.header span a.on{
    border-bottom: 2px solid #fff;
}
.header>a.on{
    background: orangered;
    border: 1px solid rgba(0, 0, 0, 0);
}

/* 九、底部 */
.footer{
    padding: 50px 0;
    background-color: #fafafa;
}
.footer li{
    float: left;
    width: 170px;
}
.footer li h4{
    margin-bottom: 20px;
    font-weight: normal;
}
.footer li a{
    display: block;
    color: #999;
    font-size: 12px;
    line-height: 26px;
}
.footer .last{
    float: right;
    text-align: right;
}
.footer .last h4{
    margin-bottom: 6px;
}
.footer .last img{
    margin-top: 20px;
}
.footer p{
    margin-top: 50px;
    color: #999;
}
.footer p span{
    float: right;
}